.m-sticky-item {
  position: relative;

  .m-sticky-item__header-wrap {
    z-index: 9;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    width: 100%;

    .m-sticky-item__header {
      width: 100%;

      &.m-sticky__is-fixed {
        position: fixed;
        top: 0;
      }
    }
  }
}